9/22/2021 NCERT Class 6 Geography Chapter 1: Earth in Solar System Complete Notes Part 1- FlexiPrep FlexiPrep NCERT Class 6 Geography Chapter 1: Earth in Solar System Complete Notes Part 1 (For CBSE, ICSE, IAS, NET, NRA 2022) Doorsteptutor material for CBSE/Class-6 is prepared by world's top subject experts: get questions, notes, tests, video lectures and more- for all subjects of CBSE/Class-6. Get the Video tutorial on this topic at: Starting with Solar System, Solar is derived from “Sol” which means in roman “Sungod” . As a result all the words from ‘solar’ means related to sun. What will study in this chapter is solar system and earth in particular. Many galaxy make universe. The galaxy in which we live is Milky way and we call it Akashganga. Solar system is part of Milky Way. Galaxy Gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter is known as galaxy Example, Milky Way (contains Solar System) March 2016, Most distant galaxy discovered was GN-z11 Hubble՚s Classification: Hubble՚s classification is to used identified various types of galaxy. Hubble՚s classified three broad category for galaxies as: Elliptical (E) Spiral (S) : Andromeda & Sombrero (unbarred) Lenticular Spiral galaxy: Spiral Galaxy is most common galaxy and Andromeda is most common example of spiral galaxy. Sombrero is (unbarred) spiral galaxy. Spiral galaxy is divided in two parts Unbarred & Barred spiral galaxy. Celestial Bodies (Sun, Moon, Objects in Night Sky) Celestial bodies include sun, moon and objects in night sky. ©FlexiPrep. Report ©violations ＠https://tips.fbi.gov/ 1 of 2 9/22/2021 NCERT Class 6 Geography Chapter 1: Earth in Solar System Complete Notes Part 1- FlexiPrep Celestial bodies here, ©FlexiPrep. Report ©violations ＠https://tips.fbi.gov/ The sun is star and star around the number of planets. Then we talk about major 8 planets. Between Mars and Jupiter exists the asteroids. Celestial Bodies can be classified as: Those which emit their own heat and Light – Star (Example, SUN) Those which don՚t emit their own light – Planets Planets are derived from Greek Word “Planetai” which means Wanderer NORTH STAR – POLE STAR – Indicates north Direction North Star is known as pole star and it՚s indicates north direction. Developed by: Mindsprite Solutions 2 of 2.